Biomechanics of Posterior Spinal Instrumentation

  • S.-I. Suk
  • W.-J. Kim


The main purposes of spinal instrumentation are restoration of stability in an inherently unstable or surgically destabilized spine, and correction and maintenance of spinal deformities via forces effected by the instrumentation [1–6]. Spinal instrumentation may be, at large, divided into anterior instrumentation and posterior instrumentation by the element of the vertebral body utilized to fix the implant to the vertebral column. Those fixing the anterior column (usually the vertebral body proper) are considered anterior instrumentation while those fixing the structures of the posterior column (lamina, facets, pedicles) are considered posterior instrumentation.


Pedicle Screw Adolescent Idiopathic Scoliosis Anterior Column Posterior Column Posterior Instrumentation 
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© Springer-Verlag London 2004

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  • S.-I. Suk
  • W.-J. Kim

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